Aspherical Glass Lenses Aspherical Glass Lenses For optical communications Type: EYLGF These products are aspherical glass lenses by using a press molding, and key devices of optical electronics not only provide compact and light weight but also high-performance by utilizing characteristics of aspherical design. Features High numerical aperture achieved via aspherical design Short focal length for compact size Appropriate lenses and lens material available for many different applications Wide temperature and humidity range for increased reliability and stability High-quality processing,measurement techniques and precision manufacturing process give less variation in optical properties RoHS compliant We can offer custam design,sampling and mass production as requested Recommended Applications Coupling lens for optical communication systems Collimator lens for optical communication systems Explanation of Part Numbers 1 2 3 4 5 6 7 8 9 10 11 12 E Y L G F Product Code Lens Barrel Series Anti-reflection Coating Design No. Additional Spec. without Multi for 1550 nm Lens Design Number U A Aspherical For optical Special Spec. EYLG Glass Lenses communication M with F B Multi for 1310 nm such as Lens systems Barrel etc. Wide for Optical W communicasions None N Ratings Item Ratings Operating Temperature Range 30 to +85 C Storage Temperature Range 40 to +100 C Please contact the factory for packaging methods. Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 01-Jun-20Aspherical Glass Lenses Specifications Lenses for Optical Communications Designed with Suitable Working Conjugate Design Focal Wavelength CG Distance Distance Magnification Part No. Wavelength Length (T>97 %) CG material / ( L1) ( L2) (nm) (mm) (nm) thickness (mm) (mm) (mm) 1550 1260 to 1625 2.51 1.68 EYLGMFW135DR EYLGMFW192KR 1550 1260 to 1625 1.81 1.03 1550 1260 to 1625 1.81 0.81 EYLGMFW192WR EYLGMFA265AR 1550 1260 to 1625 3.02 2.26 1550 1260 to 1625 1.59 0.93 EYLGMFW479A EYLGMFB240BR 1310 1260 to 1625 1.40 1.13 10.69 5.0 EYLGMFB456R 1310 1260 to 1625 0.54 0.25 3.85 4.5 1310 1260 to 1625 0.55 0.25 3.98 5.3 EYLGUFB508A EYLGUFB506A 1310 1260 to 1625 0.63 0.52 4.00 4.0 1310 1260 to 1625 BK7 t0.25 1.13 2.5 EYLGMFB245R 1.27 7.50 EYLGMFB295R 1310 1260 to 1625 1.35 1.27 10.18 4.0 1310 1260 to 1625 0.94 4.0 EYLGMFB415R 1.27 7.56 EYLGMFB480A 1310 1260 to 1625 0.93 1.20 5.73 2.0 1310 1260 to 1625 0.46 3.1 EYLGMFB305R 1.40 3.90 1310 1260 to 1625 0.46 3.1 EYLGMFB502B 1.00 3.50 EYLGMFB488A 1577 1260 to 1625 1.44 2.62 12.02 3.8 1570 1260 to 1625 1.48 4.2 EYLGMFB463R 2.15 12.10 EYLGMFB485A 1577 1260 to 1625 0.95 2.8 8.20 3.1 Effective Diameter N.A Dimensions (mm) Beam Lens (mm) Glass Part No. Diameter Thicknes Shape Diameter Height Material S1 S2 S1 S2 (mm) s type (D) (H) (T) 0.20 1.04 0.80 0.50 2.5 1.4 - K-PBK40 A-1 EYLGMFW135DR 0.30 1.08 0.82 0.34 2.5 1.4 - K-PBK40 A-1 EYLGMFW192KR EYLGMFW192WR 0.30 1.08 0.73 0.36 3.0 1.6 - K-PBK40 A-1 0.22 1.33 1.14 0.60 3.0 1.6 - K-PBK40 A-1 EYLGMFA265AR EYLGMFW479A 0.26 0.82 0.70 0.26 1.8 1.4 - K-PBK40 A-1 0.50 0.10 1.31 1.70 3.0 1.5 - K-VC89 A-2 EYLGMFB240BR EYLGMFB456R 0.50 0.11 0.34 0.64 1.8 1.0 - K-VC89 A-2 0.58 0.11 0.40 0.70 1.0 - 0.81 K-VC79 D EYLGUFB508A EYLGUFB506A 0.48 0.12 0.59 0.76 1.0 - 0.63 K-VC89 D 0.40 0.16 0.90 1.20 3.75 3.97 - K-VC89 B EYLGMFB245R 0.40 0.10 1.02 1.33 3.75 3.90 - K-VC89 B EYLGMFB295R EYLGMFB415R 0.50 0.13 0.76 1.14 3.75 3.50 - K-VC89 B 0.40 0.20 0.91 1.10 4.70 3.23 - K-VC89 B EYLGMFB480A EYLGMFB305R 0.50 0.16 0.34 0.52 3.20 2.45 - K-VC89 B 0.50 0.16 0.34 0.52 2.10 - K-VC89 B EYLGMFB502B 3.23 EYLGMFB488A 0.60 0.16 1.40 2.20 5.00 5.90 - K-VC89 B 0.59 0.14 1.60 2.12 5.00 4.93 - K-VC89 B EYLGMFB463R 0.53 0.17 1.00 1.30 4.90 5.00 - K-VC89 B EYLGMFB485A Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 01-Jun-20